Tham khảo tài liệu 'anh văn toefl structure-035', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Anh văn TOEFL Structure-035 1 Because air is highly compressible to define a clear upper boundary of the atmosphere u a it is impossible u b impossible is u c so the impossibility u d is the impossibility 2 BASIC the acronym for Beginners All-purpose Symbolic Instruction Code is a high level Instruction Code is a high - level computer programming language. u a learning relatively simple u b related it simply to learning u c simple and relative to learn u d that is relatively simple to learn 3 Frances Perkins held the post of labor secretary for twelve years u a The first woman appointed by a United States President to a cabinet position was u b The first woman appointed by a United States President to a cabinet position u c Appointed by a United States President to a cabinet position was the first woman who u d The first woman was appointed by a United States President to a cabinet position .